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DochEvi [55]
3 years ago
10

The pier is 200 meters long. Each board is 80 centimeters wide.

Mathematics
1 answer:
Tpy6a [65]3 years ago
3 0
What you would do is convert the sizes to equal each other
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What equation of a line that has a slope of 2 and passes through point (-6,3)?
melomori [17]

Answer:

b

Step-by-step explanation:

i aint never seen two pretty best friends its always one of em gotta be ugly

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Solve for z.<br><br> z12≤3<br><br> z≥36<br><br> z≤36<br><br> z≥4<br><br> z≤4
erastova [34]

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Your answer is correct... it's no.3 ... but if you multiply a inequality by a negative value the inequality sign changes.. like if you habe greater than it'll be less than... Keep that in mind too

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36 of 80 marbles are blue. What percent of the marbles are blue
Masja [62]
If 36 of 80 marbles are blue, then the percent of marbles that are blue is 44% i think
5 0
3 years ago
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Can you please help thanks
katrin2010 [14]

Answer:5/2a + 10/3b

Step-by-step explanation:

(1/6)(15a+20b)

=(1/6)(15a)+(1/6)(20b)

6 0
3 years ago
A metallic sphere is immersed in water in a cylindrical container causing a rise in the level of water by 7.5cm if the cylinder
SVETLANKA909090 [29]

Answer:

6.51 cm

Step-by-step explanation:

Since the sphere causes the water level in the cylindrical container to rise and thus increase by its own volume, the volume of the sphere is V = 4πr³/3 where r = radius of sphere. The volume rise of the container is thus    V' = πR²h where R = radius of base of cylinder = 7 cm and h = height of water level = 7.5 cm.

Since V = V',

4πr³/3 = πR²h

dividing through by π, we have

4r³/3 = R²h

multiplying both sides by 3/4, we have

r³ = 3R²h/4

taking cube-root of both sides, we have

r = ∛(3R²h/4)

Substituting the values of the variables into the equation, we have

r = ∛(3(7 cm)² × 7.5 cm/4)

r = ∛(3 × 49 cm² × 7.5 cm/4)

r = ∛(1102.5cm³/4)

r = ∛(275.625 cm³)

r = 6.508 cm

r ≅ 6.51 cm to 2 decimal places

3 0
3 years ago
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